Steel Beam Sizes / AISC / W-Shapes / W14 / W14x342

W14x342 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W14

Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

W14x342 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 342.00 lb/ft 509.00 kg/m
Depth, d 17.50 in 445.00 mm
Flange width, bf 16.40 in 417.00 mm
tw 1.540 in 39.100 mm
tf 2.470 in 62.700 mm
Area 101.00 in² 65,200.00 mm²
Ix 4,900.00 in⁴ 2,040,000,000 mm⁴
Iy 1,810.00 in⁴ 753,000,000 mm⁴
Sx 558.00 in³ 9,140,000 mm³
Sy 221.00 in³ 3,620,000 mm³
Zx 672.00 in³ 11,000,000 mm³
Zy 338.00 in³ 5,540,000 mm³
rx 6.98 in 177.00 mm
ry 4.24 in 108.00 mm
J 178.00 in⁴ 74,100,000 mm⁴
Cw 103,000.00 in⁶ 27,700,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W14x342.

Browse W14 series →

Lighter in W14

W14x311

Weight
311.0 lb/ft (-9.1%)
Depth
17.10 in (-2.3%)
Ix
4,330.0 in⁴ (-12%)

Heavier in W14

W14x370

Weight
370.0 lb/ft (+8.2%)
Depth
17.90 in (+2.3%)
Ix
5,440.0 in⁴ (+11%)

Closest Iₓ in W14

W14x283

Weight
283.0 lb/ft (-17%)
Depth
16.70 in (-4.6%)
Ix
3,840.0 in⁴ (-22%)

Similar weight in W12

W12x336

Weight
336.0 lb/ft (-1.8%)
Depth
16.80 in (-4.0%)
Ix
4,060.0 in⁴ (-17%)
Analyze in Beam Calculator Compare in W-Shapes finder

Source: AISC Shapes Database v16.0 · Methodology